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Finding the Fourth Proportional to 14,470.88, 21,708.08 and 4,082.63

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Solution

The fourth proportional to 14,470.88, 21,708.08 and 4,082.63 is: 6,124.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,470.88 : 21,708.08 = 4,082.63 : x
  2. Step 2: Convert to fraction form
    14,470.88/21,708.08 = 4,082.63/x
  3. Step 3: Cross multiply
    14,470.88x = 21,708.08 × 4,082.63
  4. Step 4: Simplify right side
    14,470.88x = 88,626,038.24
  5. Step 5: Solve for x
    x = 88,626,038.24/14,470.88
  6. Step 6: Final answer
    x = 6,124.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.